Mark the letter A, B, C, or D to indicate the word(s) OPPOSITE

Fresh water is very important to life because no one can live without it. Yet it is one of the limited and most endangered natural resources on our planet.

• Clean

• Drinkable

• Polluted

• Running

One way to protect our environment from pollution is to reduce wasteful consumption

• Costly

• Excessive

• Safe

• Economical

If you follow at least one of the tips, you can be proud of taking part in the preservation of water, one of the very important and limited natural resources on earth

• Self-confident

• Self-satisfied

• Discontent

• Unpleasant

Soil pollution leads to lack of fertile land to grow enough food for an increasing population

• Arid

• Rich

• Unclean

• Deserted

Global warming may lead to many negative changes, including harsher weather conditions

• More unbearable

• Milder

• More extreme

• More scrious

The United Nations has declared the celebration of the International Day of Ecotourism, to promote sustainable practices in this growing industry.

• Favour

• Raise

• Boost

• Delay

In order for ecotourism to be categorized as successful, it must involve local populations in the program

• Exclude

• Comprise

• Engage

• Relate

Venice has suggested imposing a tax on all visitors to help pay for restoration of the ancient buildings

• Introducing

• Removing

• Levying

• Lessening

There are 1.6 billion tourists roaming the world, and the impact of tourism can be devastating.

• Disastrous

• Nondestructive

• Ruinous

• Devastative

Green" tourists or "eco-tourists" are upset by the effects of mass tourism.

• Tense

• Trouble

• Nervous

• Relaxed